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<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
        "http://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
<title> Postfix manual - relocated(5) </title>
</head> <body> <pre>
RELOCATED(5)                                                      RELOCATED(5)

<b>NAME</b>
       relocated - Postfix relocated table format

<b>SYNOPSIS</b>
       <b>postmap /etc/postfix/relocated</b>

<b>DESCRIPTION</b>
       The  optional  <a href="relocated.5.html"><b>relocated</b>(5)</a> table provides the information
       that is used in "user has moved  to  <i>new</i><b>_</b><i>location</i>"  bounce
       messages.

       Normally,  the  <a href="relocated.5.html"><b>relocated</b>(5)</a>  table is specified as a text
       file that serves as input to the <a href="postmap.1.html"><b>postmap</b>(1)</a> command.   The
       result,  an  indexed file in <b>dbm</b> or <b>db</b> format, is used for
       fast searching by the mail  system.  Execute  the  command
       "<b>postmap  /etc/postfix/relocated</b>"  to  rebuild  an indexed
       file after changing the corresponding relocated table.

       When the table is provided via other means  such  as  NIS,
       LDAP  or  SQL,  the  same lookups are done as for ordinary
       indexed files.

       Alternatively, the table can be  provided  as  a  regular-
       expression map where patterns are given as regular expres-
       sions, or lookups can be directed to TCP-based server.  In
       those  case,  the lookups are done in a slightly different
       way as described below under "REGULAR  EXPRESSION  TABLES"
       or "TCP-BASED TABLES".

       Table lookups are case insensitive.

<b>CASE FOLDING</b>
       The  search  string is folded to lowercase before database
       lookup. As of Postfix 2.3, the search string is  not  case
       folded  with database types such as <a href="regexp_table.5.html">regexp</a>: or <a href="pcre_table.5.html">pcre</a>: whose
       lookup fields can match both upper and lower case.

<b>TABLE FORMAT</b>
       The input format for the <a href="postmap.1.html"><b>postmap</b>(1)</a> command is as follows:

       <b>o</b>      An entry has one of the following form:

                   <i>pattern      new</i><b>_</b><i>location</i>

              Where  <i>new</i><b>_</b><i>location</i>  specifies  contact information
              such as an  email  address,  or  perhaps  a  street
              address or telephone number.

       <b>o</b>      Empty  lines and whitespace-only lines are ignored,
              as are lines whose first  non-whitespace  character
              is a `#'.

       <b>o</b>      A  logical  line starts with non-whitespace text. A
              line that starts with whitespace continues a  logi-
              cal line.

<b>TABLE SEARCH ORDER</b>
       With lookups from indexed files such as DB or DBM, or from
       networked tables such as NIS, LDAP or  SQL,  patterns  are
       tried in the order as listed below:

       <i>user</i>@<i>domain</i>
              Matches  <i>user</i>@<i>domain</i>. This form has precedence over
              all other forms.

       <i>user</i>   Matches <i>user</i>@<i>site</i> when <i>site</i> is $<b><a href="postconf.5.html#myorigin">myorigin</a></b>, when <i>site</i>
              is listed in $<b><a href="postconf.5.html#mydestination">mydestination</a></b>, or when <i>site</i> is listed
              in $<b><a href="postconf.5.html#inet_interfaces">inet_interfaces</a></b> or $<b><a href="postconf.5.html#proxy_interfaces">proxy_interfaces</a></b>.

       @<i>domain</i>
              Matches other addresses in <i>domain</i>.  This  form  has
              the lowest precedence.

<b>ADDRESS EXTENSION</b>
       When a mail address localpart contains the optional recip-
       ient delimiter (e.g., <i>user+foo</i>@<i>domain</i>), the  lookup  order
       becomes: <i>user+foo</i>@<i>domain</i>, <i>user</i>@<i>domain</i>, <i>user+foo</i>, <i>user</i>, and
       @<i>domain</i>.

<b>REGULAR EXPRESSION TABLES</b>
       This section describes how the table lookups  change  when
       the  table  is given in the form of regular expressions or
       when lookups are directed to a  TCP-based  server.  For  a
       description of regular expression lookup table syntax, see
       <a href="regexp_table.5.html"><b>regexp_table</b>(5)</a> or <a href="pcre_table.5.html"><b>pcre_table</b>(5)</a>. For a description of the
       TCP client/server table lookup protocol, see <a href="tcp_table.5.html"><b>tcp_table</b>(5)</a>.
       This feature is not available up to and including  Postfix
       version 2.4.

       Each  pattern  is  a regular expression that is applied to
       the entire address being looked up. Thus, <i>user@domain</i> mail
       addresses  are  not  broken up into their <i>user</i> and <i>@domain</i>
       constituent parts, nor is <i>user+foo</i> broken up into <i>user</i> and
       <i>foo</i>.

       Patterns  are applied in the order as specified in the ta-
       ble, until a pattern is  found  that  matches  the  search
       string.

       Results  are  the  same as with indexed file lookups, with
       the additional feature that parenthesized substrings  from
       the pattern can be interpolated as <b>$1</b>, <b>$2</b> and so on.

<b>TCP-BASED TABLES</b>
       This  section  describes how the table lookups change when
       lookups are directed to a TCP-based server. For a descrip-
       tion of the TCP client/server lookup protocol, see <a href="tcp_table.5.html"><b>tcp_ta-</b></a>
       <a href="tcp_table.5.html"><b>ble</b>(5)</a>.  This feature is not available up to and including
       Postfix version 2.4.

       Each lookup operation uses the entire address once.  Thus,
       <i>user@domain</i> mail addresses are not broken  up  into  their
       <i>user</i> and <i>@domain</i> constituent parts, nor is <i>user+foo</i> broken
       up into <i>user</i> and <i>foo</i>.

       Results are the same as with indexed file lookups.

<b>BUGS</b>
       The table format does not understand quoting  conventions.

<b>CONFIGURATION PARAMETERS</b>
       The  following <a href="postconf.5.html"><b>main.cf</b></a> parameters are especially relevant.
       The text below provides  only  a  parameter  summary.  See
       <a href="postconf.5.html"><b>postconf</b>(5)</a> for more details including examples.

       <b><a href="postconf.5.html#relocated_maps">relocated_maps</a></b>
              List of lookup tables for relocated users or sites.

       Other parameters of interest:

       <b><a href="postconf.5.html#inet_interfaces">inet_interfaces</a></b>
              The network interface addresses  that  this  system
              receives mail on.  You need to stop and start Post-
              fix when this parameter changes.

       <b><a href="postconf.5.html#mydestination">mydestination</a></b>
              List of domains that  this  mail  system  considers
              local.

       <b><a href="postconf.5.html#myorigin">myorigin</a></b>
              The domain that is appended to locally-posted mail.

       <b><a href="postconf.5.html#proxy_interfaces">proxy_interfaces</a></b>
              Other interfaces that this machine receives mail on
              by way of a proxy agent or network address transla-
              tor.

<b>SEE ALSO</b>
       <a href="trivial-rewrite.8.html">trivial-rewrite(8)</a>, address resolver
       <a href="postmap.1.html">postmap(1)</a>, Postfix lookup table manager
       <a href="postconf.5.html">postconf(5)</a>, configuration parameters

<b>README FILES</b>
       <a href="DATABASE_README.html">DATABASE_README</a>, Postfix lookup table overview
       <a href="ADDRESS_REWRITING_README.html">ADDRESS_REWRITING_README</a>, address rewriting guide

<b>LICENSE</b>
       The  Secure  Mailer  license must be distributed with this
       software.

<b>AUTHOR(S)</b>
       Wietse Venema
       IBM T.J. Watson Research
       P.O. Box 704
       Yorktown Heights, NY 10598, USA

                                                                  RELOCATED(5)
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